scholarly journals INSPIRE-SAT 7, a Second CubeSat to Measure the Earth’s Energy Budget and to Probe the Ionosphere

2022 ◽  
Vol 14 (1) ◽  
pp. 186
Author(s):  
Mustapha Meftah ◽  
Fabrice Boust ◽  
Philippe Keckhut ◽  
Alain Sarkissian ◽  
Thomas Boutéraon ◽  
...  
Keyword(s):  
Energy Budget ◽  
Total Solar Irradiance ◽  
Low Earth Orbit ◽  
Spectral Irradiance ◽  
Telecommunication System ◽  
System A ◽  
Set Up ◽  
Research And Education ◽  
Uv Sensors ◽  
Miniaturized Sensors

INSPIRE-SAT 7 is a French 2-Unit CubeSat (11.5 × 11.5 × 22.7 cm) primarily designed for Earth and Sun observation. INSPIRE-SAT 7 is one of the missions of the International Satellite Program in Research and Education (INSPIRE). Twice the size of a 4 × 4 Rubik’s Cube and weighing about 3 kg, INSPIRE-SAT 7 will be deployed in Low Earth Orbit (LEO) in 2023 to join its sister satellite, UVSQ-SAT. INSPIRE-SAT 7 represents one of the in-orbit demonstrators needed to test how two Earth observation CubeSats in orbit can be utilized to set up a satellite constellation. This new scientific and technological pathfinder CubeSat mission (INSPIRE-SAT 7) uses a multitude of miniaturized sensors on all sides of the CubeSat to measure the Earth’s energy budget components at the top-of-the-atmosphere for climate change studies. INSPIRE-SAT 7 contains also a High-Frequency (HF) payload that will receive HF signals from a ground-based HF transmitter to probe the ionosphere for space weather studies. Finally, this CubeSat is equipped with several technological demonstrators (total solar irradiance sensors, UV sensors to measure solar spectral irradiance, a new Light Fidelity (Li-Fi) wireless communication system, a new versatile telecommunication system suitable for CubeSat). After introducing the objectives of the INSPIRE-SAT 7 mission, we present the satellite definition and the mission concept of operations. We also briefly show the observations made by the UVSQ-SAT CubeSat, and assess how two CubeSats in orbit could improve the information content of their Earth’s energy budget measurements. We conclude by reporting on the potential of future missions enabled by CubeSat constellations.

scholarly journals Energy budget in internal wave attractor experiments

2019 ◽  
Vol 880 ◽  
pp. 743-763 ◽  
Author(s):  
Géraldine Davis ◽  
Thierry Dauxois ◽  
Timothée Jamin ◽  
Sylvain Joubaud
Keyword(s):  
Velocity Field ◽  
Internal Wave ◽  
Boundary Layers ◽  
Energy Budget ◽  
Dissipation Rate ◽  
Theoretical Expression ◽  
Two Dimensional ◽  
Energy Sink ◽  
Set Up ◽  
Different Sources

The current paper presents an experimental study of the energy budget of a two-dimensional internal wave attractor in a trapezoidal domain filled with uniformly stratified fluid. The injected energy flux and the dissipation rate are simultaneously measured from a two-dimensional, two-component, experimental velocity field. The pressure perturbation field needed to quantify the injected energy is determined from the linear inviscid theory. The dissipation rate in the bulk of the domain is directly computed from the measurements, while the energy sink occurring in the boundary layers is estimated using the theoretical expression for the velocity field in the boundary layers, derived recently by Beckebanze et al. (J. Fluid Mech., vol. 841, 2018, pp. 614–635). In the linear regime, we show that the energy budget is closed, in the steady state and also in the transient regime, by taking into account the bulk dissipation and, more importantly, the dissipation in the boundary layers, without any adjustable parameters. The dependence of the different sources on the thickness of the experimental set-up is also discussed. In the nonlinear regime, the analysis is extended by estimating the dissipation due to the secondary waves generated by triadic resonant instabilities, showing the importance of the energy transfer from large scales to small scales. The method tested here on internal wave attractors can be generalized straightforwardly to any quasi-two-dimensional stratified flow.

Solar spectral irradiance and total solar irradiance at a solar minimum

2014 ◽  
Vol 54 (7) ◽  
pp. 926-932 ◽  
Author(s):  
E. E. Benevolenskaya ◽  
S. N. Shapovalov ◽  
I. G. Kostuchenko
Keyword(s):  
Solar Irradiance ◽  
Solar Minimum ◽  
Total Solar Irradiance ◽  
Spectral Irradiance ◽  
Solar Spectral Irradiance

Simulation of Automated Robotic Assembly

1995 ◽  
Author(s):  
Alec R. Miller ◽  
Raymond J. Cipra
Keyword(s):  
Manufacturing System ◽  
Three Dimensional ◽  
Robotic Assembly ◽  
Automated Assembly ◽  
System A ◽  
Assembly Cell ◽  
Wide Range ◽  
Graphical Visualization ◽  
Manufacturing Software ◽  
Research And Education

Abstract This paper examines the development of a networked simulation system. The Automated Robotic Manipulation (ARM) simulator is a central part of the network. This simulation tool currently assists with research and education into automated assembly. Robots, fixtures, conveyors, and parts create an automated assembly cell which is used to test advanced manufacturing software. ARM animates models of these physical components and enhances them with additional forms of three-dimensional graphical visualization. The feasibility of automated assembly can rapidly be assessed from the visual content presented by the simulator. Input formats for ARM are flexible enough to support a wide range of assembly cells and activities. Files and network transmissions customize the simulator to a particular assembly cell and its activities. The emerging assembly data protocol promotes the development of a truly integrated manufacturing system. A graphical interface complete with multiple views assists assembly cell layout and activity review, and networked operations significantly expand its role to areas such as interactive robot control and assembly preview.

GOES High cadence Operational Total Irradiance: planned data products

2021 ◽  
Author(s):  
Martin Snow ◽  
Stephane Beland ◽  
Odele Coddington ◽  
Steven Penton ◽  
Don Woodraska
Keyword(s):  
Extreme Ultraviolet ◽  
Solar Spectrum ◽  
Total Solar Irradiance ◽  
The Other ◽  
Spectral Irradiance ◽  
First Year ◽  
X Ray ◽  
Solar Spectral Irradiance ◽  
Total Irradiance ◽  
High Cadence

<p>The GOES-R series of satellites includes a redesigned instrument for solar spectral irradiance: the Extreme ultraviolet and X-ray Irradiance Sensor (EXIS).  Our team will be using a high-cadence broadband visible light diode to construct a proxy for Total Solar Irradiance (TSI).  This will have two advantages over the existing TSI measurements:  measurements are taken at 4 Hz, so the cadence of our TSI proxy is likely faster than any existing applications, and the observations are taken from geostationary orbit, so the time series of measurements is virtually uninterrupted.  Calibration of the diode measurements will still rely on the standard TSI composites.  </p><p>The other measurement from EXIS that will be used is the Magnesium II core-to-wing ratio.  The MgII index is a proxy for chromospheric activity, and is measured by EXIS every 3 seconds.  The combination of the two proxies can be used to generate a model of the full solar spectrum similar to the NRLSSI2 empirical model.</p><p>We are in the first year of a three-year grant to develop the TSI proxy and the SSI model, so only very preliminary findings will be discussed in this presentation.</p>

The effect of increased inputs to twin-bearing ewes within an extensive hill sheep system

1995 ◽  
Vol 1995 ◽  
pp. 64-64
Author(s):  
S. E. Pattinson ◽  
A. Waterhouse
Keyword(s):  
At Risk ◽  
Large Scale ◽  
Local Community ◽  
Animal Production ◽  
General Belief ◽  
Large Scale Systems ◽  
Extensive System ◽  
System A ◽  
Sheep Production ◽  
Set Up

There is a general belief that reduced stock numbers on hill areas will be beneficial to the environment. A decrease in stock numbers may lead to farmers opting for lower input systems of hill sheep production in order to reduce costs, to meet the requirements of specific schemes or simply to maintain profitability. A large scale systems experiment has been set up at SAC Kirkton and Auchtertyre Farms to examine the effects of extensification on the ecology, animal production and welfare and the socio-economics of the local community. Within this extensive system, a 4-year trial was undertaken to examine the effects of a limited increase in inputs to twin-bearing ewes which are particularly at risk within such a system.

scholarly journals Competence in using the arthroscopy stack system: a national survey of orthopaedic trainees in the UK

2020 ◽  
Vol 102 (2) ◽  
pp. 149-152
Author(s):  
G Manoharan ◽  
N Sharma ◽  
P Gallacher
Keyword(s):  
Patient Safety ◽  
Training Programme ◽  
Electronic Survey ◽  
System A ◽  
Ensure Patient Safety ◽  
Set Up ◽  
Orthopaedic Training ◽  
The Uk ◽  
Almost All ◽  
Arthroscopic Procedures

Introduction Surgeons are required to have a sound knowledge regarding all operating theatre equipment they wish to use. This is important to ensure patient safety and theatre efficiency. Arthroscopy forms a significant part of all orthopaedic subspecialty practice. Proficiency in performing arthroscopic procedures is assessed during registrar training. The aim of this survey was to determine the competence of orthopaedic trainee registrars in setting up the arthroscopy stack system and managing intraoperative problems. Materials and methods Electronic survey forms were sent to all orthopaedic training programme directors in the UK to be forwarded to trainees in their deanery. The electronic survey contained 13 questions aimed at determining trainee experience and competence level with working with the arthroscopy stack system. Results A total of 138 responses were received from 14 deaneries in the UK. Almost all registrars had experienced intraoperative delays because of equipment malfunction that required addressing by more competent staff. However, 82% of respondents had not received any formal training for operating the arthroscopy stack system. Some 82% of registrars of ST7 grade or above, who had performed over 50 arthroscopic procedures and achieved a level 4 PBA competence, were unable to set up the stack system and successfully address these delays. Conclusions Inadequate training is delivered to orthopaedic registrars from both the training programme and arthroscopy-themed courses with regards to set-up and operation of the arthroscopy tower system. This training should be part of the curriculum to ensure patient safety and efficient theatre practice.

scholarly journals Dynamic energy budget theory restores coherence in biology

2010 ◽  
Vol 365 (1557) ◽  
pp. 3413-3428 ◽  
Author(s):  
Tânia Sousa ◽  
Tiago Domingos ◽  
J.-C. Poggiale ◽  
S. A. L. M. Kooijman
Keyword(s):  
Energy Budget ◽  
State Of The Art ◽  
Theme Issue ◽  
Dynamic Energy Budget ◽  
Dynamic Energy Budget Theory ◽  
Potential Applications ◽  
Set Up ◽  
Budget Theory ◽  
Near Future ◽  
Consistent Application

We present the state of the art of the development of dynamic energy budget theory, and its expected developments in the near future within the molecular, physiological and ecological domains. The degree of formalization in the set-up of the theory, with its roots in chemistry, physics, thermodynamics, evolution and the consistent application of Occam's razor, is discussed. We place the various contributions in the theme issue within this theoretical setting, and sketch the scope of actual and potential applications.

Comprehensive Evaluation Based on AHP-Fuzzy about the Conception of Underground Container Transportation Lines in Shanghai

2011 ◽  
Vol 71-78 ◽  
pp. 175-181 ◽  
Author(s):  
Cheng Zhang ◽  
Si Wei Wang
Keyword(s):  
Transport System ◽  
Comprehensive Evaluation ◽  
Fuzzy Comprehensive Evaluation ◽  
Actual Situation ◽  
Container Transportation ◽  
Container Transport ◽  
System A ◽  
Transportation Capacity ◽  
Functional Orientation ◽  
Set Up

Through the research and analysis of Shanghai Port Container transportation capacity, we can see that the construction of underground container transport system is important to transfer Shanghai into an international hub. Combined the functional orientation of the concept program of underground container lines with the underground characteristics of the container transport system, a system of evaluation target has been set up. Sorted the concept lines by using AHP-Fuzzy comprehensive evaluation, the result can reflect the actual situation of concept lines objectively, and can also provide optimizational service for the concept program of underground container line.

scholarly journals Reinforcement Emotion-Cognition System: A Teaching Words Task

2019 ◽  
Vol 2019 ◽  
pp. 1-13 ◽  
Author(s):  
Minjia Li ◽  
Lun Xie ◽  
Anqi Zhang ◽  
Fuji Ren
Keyword(s):  
Emotion Regulation ◽  
Emotional Expression ◽  
Emotional Interaction ◽  
System A ◽  
Emotion Regulation Strategy ◽  
Emotion Generation ◽  
Set Up ◽  
Cooperative Relationship ◽  
Natural Interactions ◽  
Intelligent Learning Environments

The goal of this paper is to suggest a system for intelligent learning environments with robots modeling of emotion regulation and cognition based on quantitative motivation. A detailed interactive situation for teaching words is proposed. In this study, we introduce one bottom-up collaboration method for emotion-cognition interplay and behaviour decision-making. Integration with gross emotion regulation theory lets the proposed system adapt to natural interactions between students and the robot in emotional interaction. Four key ideas are advocated, and they jointly set up a reinforcement emotion-cognition system (RECS). First, the quantitative motivation is grounded on external interactive sensory detection, which is affected by memory and preference. Second, the emotion generation triggered by an initial motivation such as external stimulus is also influenced by the state in the previous time. Third, the competitive and cooperative relationship between emotion and motivation intervenes to make the decision of emotional expression and teaching actions. Finally, cognitive reappraisal, the emotion regulation strategy, is introduced for the establishment of emotion transition combined with personalized cognition. We display that this RECS increases the robot emotional interactive performance and makes corresponding teaching decision through behavioural and statistical analysis.

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